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Smoking and Vision Loss

Our office always wants to help patients focus on eye health. As you set goals and resolutions for 2016, consider adding smoking cessation to your list. Your vision will thank you!

Article source: http://www.allaboutvision.com/smoking/

Smoking is the single largest preventable cause of disease and premature death in the United States. It harms nearly every organ in your body — including your eyes.

Adverse — and often fatal — health effects of cigarette smoking such as heart disease and cancer are all too familiar, but sight-threatening vision and eye problems generally are less well-known.

Here are more reasons you should kick the habit:

How smoking harms your vision.

Smoking and Cataracts

Cataracts (clouding of the eye’s natural lens) are a leading cause of blindness in the world. More than 50 percent of Americans will have a cataract or have had cataract surgery by age 80.

Smokers significantly increase their risk of developing a cataract compared with non-smokers. In fact, studies show that people who smoke double their chance of forming cataracts, and the risk continues to increase the more you smoke.

Smoking and Macular Degeneration

Age-related macular degeneration (AMD) affects the center of the retina, which is responsible for sharp, central vision needed for everyday tasks such as reading and driving.

Macular degeneration causes “blind spots” and often severely impairs central vision. AMD is the leading cause of permanent vision loss among Americans age 65 and older.

Studies show smokers can have a three-fold increase in the risk of developing AMD compared with people who have never smoked. And female smokers over age 80 are 5.5 times more likely to develop AMD than non-smokers of the same age.

But it’s not all bad news: because smoking is the biggest controllable risk factor associated with AMD, quitting smoking at any age, even later in life, can significantly reduce your risk of developing AMD.

Breaking a cigarette in half.
Quitting smoking can reduce your risk of eye conditions that cause vision loss.

Smoking and Uveitis

Uveitis (inflammation of the eye’s middle layer, or uvea) is a serious eye disease that can result in complete vision loss.

It harms vital structures of the eye, including the iris and retina, and can lead to complications such as cataract, glaucoma and retinal detachment.

Evidence shows smokers are more likely than non-smokers to have uveitis, and smoking appears linked to the development of uveitis. One study found smoking was associated with a 2.2 times greater than normal risk of having the condition.

Smoking and Diabetic Retinopathy

Diabetic retinopathy damages the blood vessels of the retina and can result in vision loss.

More than 5 million Americans age 40 and older have diabetic retinopathy due to type 1 or type 2 diabetes. And that number will grow to about 16 million by 2050, according to the U.S. Centers for Disease Control and Prevention.

Smoking may as much as double the risk of developing diabetes.

There also is a causal relationship between smoking and both the development and progression of diabetic retinopathy, in addition to numerous other diabetes complications.

Smokers are up to four times more likely to go blind in old age.

Smoking and Dry Eyes

Dry eye syndrome describes insufficient tears on the eye’s surface, which are needed to keep the eye lubricated and healthy. Sufferers of dry eye can experience eye redness, itchiness, a “foreign body” sensation and even watery eyes.

Tobacco smoke is a known eye irritant and worsens dry eye — even among second-hand smokers — particularly for contact lens wearers. People who smoke are nearly twice as likely to have dry eyes.

Smoking and Infant Eye Disease

Women who smoke during pregnancy transmit dangerous toxins to the placenta, potentially harming the unborn child. Smoking while pregnant increases the chance of many fetal and infant eye disorders, among other serious health problems.

Infographic: Why Smoking Is Bad for Your Eyes

These include strabismus (crossed eyes) and underdevelopment of the optic nerve, which is a leading cause of blindness in children.

Also, women who smoke during pregnancy are more likely to give birth prematurely; all babies born prematurely are at greater risk of eye problems than full-term babies.

Vision problems of premature babies include retinopathy of prematurity, a potentially blinding disease.

Are You Ready To Quit?

It’s never too late to quit smoking and enjoy the benefits of a healthier lifestyle and, ultimately, a healthier body. Quitting smoking at any age can reduce your risk of developing many sight-threatening eye conditions.

Visit www.smokefree.gov to get started, or see your doctor, who can recommend other methods to help you on your journey to a smoke-free life.